CbitHighZero() [1/2]

static int System.Numerics.NumericsHelpers.CbitHighZero ( uint u )

inlinestatic

Definition at line 116 of file NumericsHelpers.cs.

    {
        if (u == 0)
        {
            return 32;
        }
        int num = 0;
        if ((u & 0xFFFF0000u) == 0)
        {
            num += 16;
            u <<= 16;
        }
        if ((u & 0xFF000000u) == 0)
        {
            num += 8;
            u <<= 8;
        }
        if ((u & 0xF0000000u) == 0)
        {
            num += 4;
            u <<= 4;
        }
        if ((u & 0xC0000000u) == 0)
        {
            num += 2;
            u <<= 2;
        }
        if ((u & 0x80000000u) == 0)
        {
            num++;
        }
        return num;
    }

Referenced by System.Numerics.NumericsHelpers.CbitHighZero(), System.Numerics.NumericsHelpers.GetDoubleFromParts(), System.Numerics.BigInteger.Log(), and System.Numerics.BigInteger.operator double().